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Bug#1134724: meson.get_compiler('vala') returns the wrong compiler

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From	Jussi Pakkanen <jpakkane@gmail.com>
Newsgroups	linux.debian.bugs.dist
Subject	Bug#1134724: meson.get_compiler('vala') returns the wrong compiler
Date	Mon, 27 Apr 2026 21:10:01 +0200
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On 4/23/26 8:05 PM, Helmut Grohne wrote:

> Given the lack of feedback on other patches, I am considering to NMU
> this and other patches. Please let me know if you prefer not having it
> NMUed.

I posted this up on Meson's PRs:

https://github.com/mesonbuild/meson/pull/15736

There were several issues raised. First of all there was a person who 
said that according to certain Gnome devs Vala cross compiling is a 
ill-defined. Sadly I don't have a proper link upstream but it might be 
that it is not supported (though works in most cases).

But the bigger issue is that in Meson valac is treated specifically as a 
regular compiler even in cross compilation contexts because it only 
produces C source code that is then compiled by the cross compiler. 
Changing that in the way this patch suggests changes pretty much the 
whole way Vala handling is done in Meson.

This really should get a proper fix. Probably a way to get started on 
that is to get the actual error messages for a failed cross build.

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Bug#1134724: meson.get_compiler('vala') returns the wrong compiler Jussi Pakkanen <jpakkane@gmail.com> - 2026-04-27 21:10 +0200
  Bug#1134724: meson.get_compiler('vala') returns the wrong compiler Helmut Grohne <helmut@subdivi.de> - 2026-04-27 21:40 +0200

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